Question

a wire is stretched so that its length becomed 6/5 times of its original length. if its original resistance is 25 ohm find its new resistance and resistivity. give justification for your answer in each case​

Answer 1

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Answer 2

Answer: 30 ohm

Step-by-step explanation:

R= rho l/A

25= rho l/A eq1

X= rho 6/5 l/A eq2

Eq1/eq2

= 25/X = l/6/5l

25x6/5 = X

X ohm. =30 ohm